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Canon is developing two new telephoto lenses for use with its EOS digital SLR cameras, the EF500mm f/4L IS II USM and EF600mm f/4L IS II USM. These tough lenses are the successors to the EF500mm f/4L IS USM (introduced in July 1999) and EF600mm f/4L IS USM (introduced in September 1999. The new lenses target improved dust-proof and moisture-proof performance in the face of harsh shooting conditions to satisfy the demands of sports, news and nature photographers. The new lenses will be on display at Photokina...
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